package com.tangqi.mail;

import java.io.UnsupportedEncodingException;
import java.security.Security;
import java.util.Properties;

import javax.mail.FetchProfile;
import javax.mail.Folder;
import javax.mail.Message;
import javax.mail.Session;
import javax.mail.Store;
import javax.mail.URLName;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeUtility;

/**
 * depend jar include(mail.jar,jsse.jar)
 * 
 * @author qtang
 * 
 */
public class ReceiveEmail {

	public static void main(String argv[]) throws Exception {

		Security.addProvider(new com.sun.net.ssl.internal.ssl.Provider());
		final String SSL_FACTORY = "javax.net.ssl.SSLSocketFactory";

		// Get a Properties object
		Properties props = System.getProperties();
		props.setProperty("mail.pop3.socketFactory.class", SSL_FACTORY);
		props.setProperty("mail.pop3.socketFactory.fallback", "false");
		props.setProperty("mail.pop3.port", "995");
		props.setProperty("mail.pop3.socketFactory.port", "995");

		// 以下步骤跟一般的JavaMail操作相同
		Session session = Session.getDefaultInstance(props, null);

		// 请将红色部分对应替换成你的邮箱帐号和密码
		URLName urln = new URLName("pop3", "pop.gmail.com", 995, null,"tangqi1101@gmail.com", "gy1982111");
		Store store = session.getStore(urln);
		Folder inbox = null;
		try {
			store.connect();
			inbox = store.getFolder("INBOX");
			inbox.open(Folder.READ_ONLY);
			FetchProfile profile = new FetchProfile();
			profile.add(FetchProfile.Item.ENVELOPE);
			Message[] messages = inbox.getMessages();
			inbox.fetch(messages, profile);
			System.out.println("收件箱的邮件数：" + messages.length);
			for (int i = 0; i < messages.length; i++) {
				System.out.println("---------------------"+i+"------------------------");
				// 邮件发送者
				String from = decodeText(messages[i].getFrom()[0].toString());
				InternetAddress ia = new InternetAddress(from);
				System.out.println("FROM:" + ia.getPersonal() + '('+ ia.getAddress() + ')');
				// 邮件标题
				System.out.println("TITLE:" + messages[i].getSubject());
				// 邮件大小
				System.out.println("SIZE:" + messages[i].getSize());
				// 邮件发送时间
				System.out.println("DATE:" + messages[i].getSentDate());
				System.out.println("---------------------"+i+"------------------------");
			}
		} finally {
			try {
				inbox.close(false);
			} catch (Exception e) {
			}
			try {
				store.close();
			} catch (Exception e) {
			}
		}
	}

	protected static String decodeText(String text)throws UnsupportedEncodingException {
		if (text == null)
			return null;
		if (text.startsWith("=?GB") || text.startsWith("=?gb"))
			text = MimeUtility.decodeText(text);
		else
			text = new String(text.getBytes("ISO8859_1"));
		return text;
	}
}
